Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
120849 (1998 OJ3)
Classification: Main-belt Asteroid          SPK-ID: 2120849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04235252122792691 5.0222e-08  
a 2.770316341918805 2.2191e-08 au
q 2.652986460239616 1.3935e-07 au
i 3.865109387909437 6.9953e-06 deg
node 226.3055509191652 7.7017e-05 deg
peri 209.7559367878245 0.00011879 deg
M 133.7449687464003 9.1354e-05 deg
tp 2458374.798169442237
(2018-Sep-13.29816944)
0.00042398 TDB
period 1684.19538403651
4.61
2.0236e-05
5.54e-08
d
yr
n .2137519217854571 2.5683e-09 deg/d
Q 2.887646223597994 2.3131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8886 days (24.33 yr)  
   first obs. used      1995-12-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:40:37  

Additional Information
 Earth MOID = 1.66864 au 
 Jupiter MOID = 2.23268 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO422421  
diameter diameter 4.194 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120849 (1998 OJ3)          Discovered 1998-Jul-23 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 OJ3 = 1999 VZ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 22:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin